Fill in the blank with the correct number to balance the equation: 4Al + O2 → 2Al2O3. (Enter only a whole number.)

What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.